How a discipline's history is written shapes its identity. Accordingly, science communicators opposed to cultural exclusion may seek cross-cultural conceptualizations of science communication's past, beyond familiar narratives centred on the recent West. Here I make a case for thinking about science communication history in these broader geotemporal terms. I discuss works by historians and knowledge keepers from the Indigenous Australian Yorta Yorta Nation who describe a geological event their ancestors witnessed 30,000 ybp and communicated about over generations to the present. This is likely